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Finding the Fourth Proportional to 602.34, 831.31 and 437.10

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Solution

The fourth proportional to 602.34, 831.31 and 437.10 is: 603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.34 : 831.31 = 437.10 : x
  2. Step 2: Convert to fraction form
    602.34/831.31 = 437.10/x
  3. Step 3: Cross multiply
    602.34x = 831.31 × 437.10
  4. Step 4: Simplify right side
    602.34x = 363,364.51
  5. Step 5: Solve for x
    x = 363,364.51/602.34
  6. Step 6: Final answer
    x = 603.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 603.34, 832.69 and 438.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.