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Finding the Fourth Proportional to 373.51, 560.15 and 154.14

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Solution

The fourth proportional to 373.51, 560.15 and 154.14 is: 231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.51 : 560.15 = 154.14 : x
  2. Step 2: Convert to fraction form
    373.51/560.15 = 154.14/x
  3. Step 3: Cross multiply
    373.51x = 560.15 × 154.14
  4. Step 4: Simplify right side
    373.51x = 86,339.23
  5. Step 5: Solve for x
    x = 86,339.23/373.51
  6. Step 6: Final answer
    x = 231.16

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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.