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Finding the Fourth Proportional to 375.16, 560.22 and 372.88

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Solution

The fourth proportional to 375.16, 560.22 and 372.88 is: 556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.16 : 560.22 = 372.88 : x
  2. Step 2: Convert to fraction form
    375.16/560.22 = 372.88/x
  3. Step 3: Cross multiply
    375.16x = 560.22 × 372.88
  4. Step 4: Simplify right side
    375.16x = 208,894.83
  5. Step 5: Solve for x
    x = 208,894.83/375.16
  6. Step 6: Final answer
    x = 556.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.