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Finding the Fourth Proportional to 410.90, 566.88 and 263.51

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Solution

The fourth proportional to 410.90, 566.88 and 263.51 is: 363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.90 : 566.88 = 263.51 : x
  2. Step 2: Convert to fraction form
    410.90/566.88 = 263.51/x
  3. Step 3: Cross multiply
    410.90x = 566.88 × 263.51
  4. Step 4: Simplify right side
    410.90x = 149,378.55
  5. Step 5: Solve for x
    x = 149,378.55/410.90
  6. Step 6: Final answer
    x = 363.54

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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.