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Finding the Fourth Proportional to 397.47, 598.71 and 373.17

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Solution

The fourth proportional to 397.47, 598.71 and 373.17 is: 562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.47 : 598.71 = 373.17 : x
  2. Step 2: Convert to fraction form
    397.47/598.71 = 373.17/x
  3. Step 3: Cross multiply
    397.47x = 598.71 × 373.17
  4. Step 4: Simplify right side
    397.47x = 223,420.61
  5. Step 5: Solve for x
    x = 223,420.61/397.47
  6. Step 6: Final answer
    x = 562.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.