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Finding the Fourth Proportional to 602.48, 831.89 and 462.37

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Solution

The fourth proportional to 602.48, 831.89 and 462.37 is: 638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.48 : 831.89 = 462.37 : x
  2. Step 2: Convert to fraction form
    602.48/831.89 = 462.37/x
  3. Step 3: Cross multiply
    602.48x = 831.89 × 462.37
  4. Step 4: Simplify right side
    602.48x = 384,641.01
  5. Step 5: Solve for x
    x = 384,641.01/602.48
  6. Step 6: Final answer
    x = 638.43

Related Problems

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Double scale
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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.