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Finding the Fourth Proportional to 735.53, 1,015 and 436.77

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Solution

The fourth proportional to 735.53, 1,015 and 436.77 is: 602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.53 : 1,015 = 436.77 : x
  2. Step 2: Convert to fraction form
    735.53/1,015 = 436.77/x
  3. Step 3: Cross multiply
    735.53x = 1,015 × 436.77
  4. Step 4: Simplify right side
    735.53x = 443,321.55
  5. Step 5: Solve for x
    x = 443,321.55/735.53
  6. Step 6: Final answer
    x = 602.72

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.