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Finding the Fourth Proportional to 1,075.01, 1,612.51 and 295.01

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Solution

The fourth proportional to 1,075.01, 1,612.51 and 295.01 is: 442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.01 : 1,612.51 = 295.01 : x
  2. Step 2: Convert to fraction form
    1,075.01/1,612.51 = 295.01/x
  3. Step 3: Cross multiply
    1,075.01x = 1,612.51 × 295.01
  4. Step 4: Simplify right side
    1,075.01x = 475,709.87
  5. Step 5: Solve for x
    x = 475,709.87/1,075.01
  6. Step 6: Final answer
    x = 442.52

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Double scale
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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.