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Finding the Fourth Proportional to 528.36, 788.95 and 473.16

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Solution

The fourth proportional to 528.36, 788.95 and 473.16 is: 706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.36 : 788.95 = 473.16 : x
  2. Step 2: Convert to fraction form
    528.36/788.95 = 473.16/x
  3. Step 3: Cross multiply
    528.36x = 788.95 × 473.16
  4. Step 4: Simplify right side
    528.36x = 373,299.58
  5. Step 5: Solve for x
    x = 373,299.58/528.36
  6. Step 6: Final answer
    x = 706.53

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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.