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Finding the Fourth Proportional to 504.01, 755.24 and 260.40

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Solution

The fourth proportional to 504.01, 755.24 and 260.40 is: 390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.01 : 755.24 = 260.40 : x
  2. Step 2: Convert to fraction form
    504.01/755.24 = 260.40/x
  3. Step 3: Cross multiply
    504.01x = 755.24 × 260.40
  4. Step 4: Simplify right side
    504.01x = 196,664.50
  5. Step 5: Solve for x
    x = 196,664.50/504.01
  6. Step 6: Final answer
    x = 390.20

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Similar ratio
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1.5x scale

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.