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Finding the Fourth Proportional to 534.83, 738.30 and 360.28

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Solution

The fourth proportional to 534.83, 738.30 and 360.28 is: 497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.83 : 738.30 = 360.28 : x
  2. Step 2: Convert to fraction form
    534.83/738.30 = 360.28/x
  3. Step 3: Cross multiply
    534.83x = 738.30 × 360.28
  4. Step 4: Simplify right side
    534.83x = 265,989.23
  5. Step 5: Solve for x
    x = 265,989.23/534.83
  6. Step 6: Final answer
    x = 497.33

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1.5x scale

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.