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Finding the Fourth Proportional to 1,053.51, 1,580.26 and 360.24

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Solution

The fourth proportional to 1,053.51, 1,580.26 and 360.24 is: 540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.51 : 1,580.26 = 360.24 : x
  2. Step 2: Convert to fraction form
    1,053.51/1,580.26 = 360.24/x
  3. Step 3: Cross multiply
    1,053.51x = 1,580.26 × 360.24
  4. Step 4: Simplify right side
    1,053.51x = 569,272.86
  5. Step 5: Solve for x
    x = 569,272.86/1,053.51
  6. Step 6: Final answer
    x = 540.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.