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Finding the Fourth Proportional to 597.87, 897.35 and 392.13

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Solution

The fourth proportional to 597.87, 897.35 and 392.13 is: 588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.87 : 897.35 = 392.13 : x
  2. Step 2: Convert to fraction form
    597.87/897.35 = 392.13/x
  3. Step 3: Cross multiply
    597.87x = 897.35 × 392.13
  4. Step 4: Simplify right side
    597.87x = 351,875.89
  5. Step 5: Solve for x
    x = 351,875.89/597.87
  6. Step 6: Final answer
    x = 588.55

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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.