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Finding the Fourth Proportional to 503.48, 755.27 and 260.06

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Solution

The fourth proportional to 503.48, 755.27 and 260.06 is: 390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.48 : 755.27 = 260.06 : x
  2. Step 2: Convert to fraction form
    503.48/755.27 = 260.06/x
  3. Step 3: Cross multiply
    503.48x = 755.27 × 260.06
  4. Step 4: Simplify right side
    503.48x = 196,415.52
  5. Step 5: Solve for x
    x = 196,415.52/503.48
  6. Step 6: Final answer
    x = 390.12

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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.