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Finding the Fourth Proportional to 907.51, 1,362.29 and 360.08

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Solution

The fourth proportional to 907.51, 1,362.29 and 360.08 is: 540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.51 : 1,362.29 = 360.08 : x
  2. Step 2: Convert to fraction form
    907.51/1,362.29 = 360.08/x
  3. Step 3: Cross multiply
    907.51x = 1,362.29 × 360.08
  4. Step 4: Simplify right side
    907.51x = 490,528.91
  5. Step 5: Solve for x
    x = 490,528.91/907.51
  6. Step 6: Final answer
    x = 540.52

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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.