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Finding the Fourth Proportional to 397.08, 598.65 and 369.24

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Solution

The fourth proportional to 397.08, 598.65 and 369.24 is: 556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.08 : 598.65 = 369.24 : x
  2. Step 2: Convert to fraction form
    397.08/598.65 = 369.24/x
  3. Step 3: Cross multiply
    397.08x = 598.65 × 369.24
  4. Step 4: Simplify right side
    397.08x = 221,045.53
  5. Step 5: Solve for x
    x = 221,045.53/397.08
  6. Step 6: Final answer
    x = 556.68

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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.