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Finding the Fourth Proportional to 503.52, 751 and 434.24

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Solution

The fourth proportional to 503.52, 751 and 434.24 is: 647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.52 : 751 = 434.24 : x
  2. Step 2: Convert to fraction form
    503.52/751 = 434.24/x
  3. Step 3: Cross multiply
    503.52x = 751 × 434.24
  4. Step 4: Simplify right side
    503.52x = 326,114.24
  5. Step 5: Solve for x
    x = 326,114.24/503.52
  6. Step 6: Final answer
    x = 647.67

Related Problems

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.