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Finding the Fourth Proportional to 377.13, 563.15 and 373.11

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Solution

The fourth proportional to 377.13, 563.15 and 373.11 is: 557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.13 : 563.15 = 373.11 : x
  2. Step 2: Convert to fraction form
    377.13/563.15 = 373.11/x
  3. Step 3: Cross multiply
    377.13x = 563.15 × 373.11
  4. Step 4: Simplify right side
    377.13x = 210,117.83
  5. Step 5: Solve for x
    x = 210,117.83/377.13
  6. Step 6: Final answer
    x = 557.15

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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.