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Finding the Fourth Proportional to 602.71, 904.37 and 471.89

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Solution

The fourth proportional to 602.71, 904.37 and 471.89 is: 708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.71 : 904.37 = 471.89 : x
  2. Step 2: Convert to fraction form
    602.71/904.37 = 471.89/x
  3. Step 3: Cross multiply
    602.71x = 904.37 × 471.89
  4. Step 4: Simplify right side
    602.71x = 426,763.06
  5. Step 5: Solve for x
    x = 426,763.06/602.71
  6. Step 6: Final answer
    x = 708.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.