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Finding the Fourth Proportional to 597.78, 897.28 and 402.17

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Solution

The fourth proportional to 597.78, 897.28 and 402.17 is: 603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.78 : 897.28 = 402.17 : x
  2. Step 2: Convert to fraction form
    597.78/897.28 = 402.17/x
  3. Step 3: Cross multiply
    597.78x = 897.28 × 402.17
  4. Step 4: Simplify right side
    597.78x = 360,853.61
  5. Step 5: Solve for x
    x = 360,853.61/597.78
  6. Step 6: Final answer
    x = 603.66

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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.