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Finding the Fourth Proportional to 373.30, 555.76 and 371.50

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Solution

The fourth proportional to 373.30, 555.76 and 371.50 is: 553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.30 : 555.76 = 371.50 : x
  2. Step 2: Convert to fraction form
    373.30/555.76 = 371.50/x
  3. Step 3: Cross multiply
    373.30x = 555.76 × 371.50
  4. Step 4: Simplify right side
    373.30x = 206,464.84
  5. Step 5: Solve for x
    x = 206,464.84/373.30
  6. Step 6: Final answer
    x = 553.08

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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.