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Finding the Fourth Proportional to 534.58, 801.30 and 260.26

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Solution

The fourth proportional to 534.58, 801.30 and 260.26 is: 390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.58 : 801.30 = 260.26 : x
  2. Step 2: Convert to fraction form
    534.58/801.30 = 260.26/x
  3. Step 3: Cross multiply
    534.58x = 801.30 × 260.26
  4. Step 4: Simplify right side
    534.58x = 208,546.34
  5. Step 5: Solve for x
    x = 208,546.34/534.58
  6. Step 6: Final answer
    x = 390.11

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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.