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Finding the Fourth Proportional to 484.76, 668.52 and 436.16

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Solution

The fourth proportional to 484.76, 668.52 and 436.16 is: 601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.76 : 668.52 = 436.16 : x
  2. Step 2: Convert to fraction form
    484.76/668.52 = 436.16/x
  3. Step 3: Cross multiply
    484.76x = 668.52 × 436.16
  4. Step 4: Simplify right side
    484.76x = 291,581.68
  5. Step 5: Solve for x
    x = 291,581.68/484.76
  6. Step 6: Final answer
    x = 601.50

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Find fourth proportional to 242.38, 334.26 and 218.08
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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.