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Finding the Fourth Proportional to 508.01, 762.31 and 277.00

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Solution

The fourth proportional to 508.01, 762.31 and 277.00 is: 415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.01 : 762.31 = 277.00 : x
  2. Step 2: Convert to fraction form
    508.01/762.31 = 277.00/x
  3. Step 3: Cross multiply
    508.01x = 762.31 × 277.00
  4. Step 4: Simplify right side
    508.01x = 211,158.31
  5. Step 5: Solve for x
    x = 211,158.31/508.01
  6. Step 6: Final answer
    x = 415.66

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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.