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Finding the Fourth Proportional to 483.57, 720.26 and 473.45

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Solution

The fourth proportional to 483.57, 720.26 and 473.45 is: 705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.57 : 720.26 = 473.45 : x
  2. Step 2: Convert to fraction form
    483.57/720.26 = 473.45/x
  3. Step 3: Cross multiply
    483.57x = 720.26 × 473.45
  4. Step 4: Simplify right side
    483.57x = 341,001.13
  5. Step 5: Solve for x
    x = 341,001.13/483.57
  6. Step 6: Final answer
    x = 705.17

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1.5x scale

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.