Home / 907.03-1,360.55-359.35

Finding the Fourth Proportional to 907.03, 1,360.55 and 359.35

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Solution

The fourth proportional to 907.03, 1,360.55 and 359.35 is: 539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.03 : 1,360.55 = 359.35 : x
  2. Step 2: Convert to fraction form
    907.03/1,360.55 = 359.35/x
  3. Step 3: Cross multiply
    907.03x = 1,360.55 × 359.35
  4. Step 4: Simplify right side
    907.03x = 488,913.64
  5. Step 5: Solve for x
    x = 488,913.64/907.03
  6. Step 6: Final answer
    x = 539.03

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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.