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Finding the Fourth Proportional to 602.01, 831.60 and 454.59

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Solution

The fourth proportional to 602.01, 831.60 and 454.59 is: 627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.01 : 831.60 = 454.59 : x
  2. Step 2: Convert to fraction form
    602.01/831.60 = 454.59/x
  3. Step 3: Cross multiply
    602.01x = 831.60 × 454.59
  4. Step 4: Simplify right side
    602.01x = 378,037.04
  5. Step 5: Solve for x
    x = 378,037.04/602.01
  6. Step 6: Final answer
    x = 627.96

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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.