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Finding the Fourth Proportional to 373.60, 511.13 and 371.98

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Solution

The fourth proportional to 373.60, 511.13 and 371.98 is: 508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.60 : 511.13 = 371.98 : x
  2. Step 2: Convert to fraction form
    373.60/511.13 = 371.98/x
  3. Step 3: Cross multiply
    373.60x = 511.13 × 371.98
  4. Step 4: Simplify right side
    373.60x = 190,130.14
  5. Step 5: Solve for x
    x = 190,130.14/373.60
  6. Step 6: Final answer
    x = 508.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.