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Finding the Fourth Proportional to 469.68, 700.39 and 436.24

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Solution

The fourth proportional to 469.68, 700.39 and 436.24 is: 650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.68 : 700.39 = 436.24 : x
  2. Step 2: Convert to fraction form
    469.68/700.39 = 436.24/x
  3. Step 3: Cross multiply
    469.68x = 700.39 × 436.24
  4. Step 4: Simplify right side
    469.68x = 305,538.13
  5. Step 5: Solve for x
    x = 305,538.13/469.68
  6. Step 6: Final answer
    x = 650.52

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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.