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Finding the Fourth Proportional to 955.51, 1,319.02 and 582.62

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Solution

The fourth proportional to 955.51, 1,319.02 and 582.62 is: 804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.51 : 1,319.02 = 582.62 : x
  2. Step 2: Convert to fraction form
    955.51/1,319.02 = 582.62/x
  3. Step 3: Cross multiply
    955.51x = 1,319.02 × 582.62
  4. Step 4: Simplify right side
    955.51x = 768,479.38
  5. Step 5: Solve for x
    x = 768,479.38/955.51
  6. Step 6: Final answer
    x = 804.26

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Double scale
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1.5x scale

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.