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Finding the Fourth Proportional to 370.50, 511.16 and 265.85

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Solution

The fourth proportional to 370.50, 511.16 and 265.85 is: 366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.50 : 511.16 = 265.85 : x
  2. Step 2: Convert to fraction form
    370.50/511.16 = 265.85/x
  3. Step 3: Cross multiply
    370.50x = 511.16 × 265.85
  4. Step 4: Simplify right side
    370.50x = 135,888.00
  5. Step 5: Solve for x
    x = 135,888.00/370.50
  6. Step 6: Final answer
    x = 366.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.