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Finding the Fourth Proportional to 596.04, 895.28 and 390.91

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Solution

The fourth proportional to 596.04, 895.28 and 390.91 is: 587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.04 : 895.28 = 390.91 : x
  2. Step 2: Convert to fraction form
    596.04/895.28 = 390.91/x
  3. Step 3: Cross multiply
    596.04x = 895.28 × 390.91
  4. Step 4: Simplify right side
    596.04x = 349,973.90
  5. Step 5: Solve for x
    x = 349,973.90/596.04
  6. Step 6: Final answer
    x = 587.17

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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.