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Finding the Fourth Proportional to 598.28, 895.80 and 405.52

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Solution

The fourth proportional to 598.28, 895.80 and 405.52 is: 607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.28 : 895.80 = 405.52 : x
  2. Step 2: Convert to fraction form
    598.28/895.80 = 405.52/x
  3. Step 3: Cross multiply
    598.28x = 895.80 × 405.52
  4. Step 4: Simplify right side
    598.28x = 363,264.82
  5. Step 5: Solve for x
    x = 363,264.82/598.28
  6. Step 6: Final answer
    x = 607.18

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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.